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When should I use UUIDs?
UUIDs provide decentralized ID allocation without a central counter—handy for client-generated keys, offline-first apps, and avoiding sequential ID scraping.
How to use this tool
Choose count and format options. Generate. Copy the list into migrations or seed scripts. Use the full tool for advanced formats if offered.
Use cases
Database primary keys, correlation IDs in logs, feature flags, mock data for tests.
Privacy and security
Editor and conversion workflows run in your browser without uploading your content to our servers for those steps. Clear sensitive data when you finish, especially on shared machines.